package com.hpm;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class SessionValidator implements Filter {

	public void destroy() {
		
	}

	public void doFilter(ServletRequest req, ServletResponse res,
			FilterChain filter) throws IOException, ServletException {
		HttpServletRequest request = (HttpServletRequest) req;
		HttpServletResponse response = (HttpServletResponse) res;
		HttpSession session = request.getSession();
		if (session.getAttribute("admin") == null)
			response.sendRedirect("../login.jsp");
		else
			filter.doFilter(request, response);
	}

	public void init(FilterConfig arg0) throws ServletException {
		
	}

}
